{
  "version": 8,
  "name": "violet polygon",
  "layers": [
      {
          "id": "violet polygon",
          "type": "fill",
          "filter": [">", "IDN3", 710],
          "source-layer": "roads",
          "paint": {
              "fill-color": "#3300ff",
              "fill-outline-color":"#000000"
          }
      }, {
          "id": "red polygon",
          "type": "fill",
          "source-layer": "roads",
          "filter": ["<", "IDN3", 710],
          "paint": {
              "fill-color": "#aa0000",
              "fill-outline-color":"#000000"
          }
      }
  ]
}